Australia's Science Forum

Hello there all chemtalkers At the moment we have James from Eyepoint roaming around the western area. Not sure what schools he is doing but he is based in Dubbo for 3 weeks I believe.We haven't seen him yet. I have about 10 Microscopes that need repairing.A lady by the name of Violet(what a beautif...

Hi all When I first started working in the science lab.7 years ago.My head teacher(who trained me) told me Sudan 111 and 1V was banned back then.Seems there are mixed messages coming through.Sometimes I feel the department overacts with some of the chemicals.My feeling is that -if all precautions ar...

Hi all
Thought you may like to know that in the public school system in NSW, Sudan 111 and 1V are banned !!!!
Cheers
Mother

Thanks Sue
Cheers
Mother

Hi all Chemtalkers
We did this prac. a few weeks ago and it worked very well. I always use potato starch!!
It would probably be best to make all the solutions fresh,that is, if you are given enough notice!!!
Good Luck
Mother

Oh darm!!! I was hoping that it would be dangerous,so I could ban it from being used!!!
It makes such a mess, and I have better things to do than clean up hardened wax on benches and floors.
Thanks for your input
Mother

Hello everyone I know someone out there will know the answer to this question: Is Chemical Safety in Schools training mandatory for all NSW lab assistants??? If this is so does that then mean that no casuals can work in science if they haven't had the training??? Maybe someone who is associated with...

Hi all
Could someone please tell me if using melted wax for pracs is allowed.Year 11 chem.kids just did a prac. using melted wax and I was very afraid for them as one had a mishap with the hot wax through his own stupidity. The teacher was not too concerned.
Cheers
Mother

Hi ya all I also have an IEC water still and the water PH has always been about 6PH.I have tried every thing that I thought may make a difference.However I have had no success. My head teacher says a PH of 6 won't make much of a difference when making solutions. Because of the vast amount of water t...

Can't seem to find where to join a new member to the chemtalk site. Can anyone help?

Ta
Mother

DITTO!!

Mother

We have just finished Yr.12 assessments today!! \:D/ \:D/ \:D/ I have had a full 3 days of pracs.and naturally no help from any other SASS- not that I was expecting it. Easy week next week, just some cleaning to do. Anyhow I would like to wish you all a very Merry Christmas and a safe and restful 20...

Thanks all for your input with the PH meters. I ended up buying 2 Eutech which are waterproof and also measure temperature. $170 each,so I hope they are worth the money!!!
Cheers
Mother

I think I used 3% or 6%
Cheers
Mother

Congratulations Richard you are now a father!!!

Hi Rosalie
The solution I made is as follows:
Dissolve 1g.EBT in 75 mls.of Ammonia solution then add 25 mls. of Ethanol. Worked well last time we used it for hard water testing and titrations.
Cheers
Mother

Hi Sue
Was there any mention of the age of radioactivity sources,as I have some in a metal box that has to be at least 20 years old. Does it lose its strength of radioactivity over time ??????
Cheers
Mother

Hi Sue
Received fax, thank you very much.Don't know if it is our fax or yours but the third or fouth line was not readable for some recipes .Not to worry
Take care
Mother

Hi Sue
Would love a copy
Fax No. 6882 4332

Cheers

Hi all
I have wrapped glad wrap around the corks to make them fit!!! Works well providing the cork is not too small for the particular glasswear you are using.
Cheers
Mother